Westinghouse Air Brake Technologies Corporation
Westinghouse Air Brake Technologies Corporation (WAB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · WAB · as of Sep 30, 2025
Ownership Breakdown
1,101
Institutional Holders
▼ 33 vs Q2
$31.30B
Total Inst. Value
▼ $1.59B vs Q2
169.68M
Shares Outstanding
freeFloat 98.76%
156.24M
13F Shares Held
▼ 1.06M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
WAB largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC railroad equipment | 19.94M | 11.69% | 11.69% | $4.00T | Nov 7, 2025 | ▲ 13.4K |
FMR LLC railroad equipment | 16.32M | 9.56% | 9.56% | $3.27T | Nov 13, 2025 | ▲ 2.90M |
BLACKROCK, INC. railroad equipment | 13.18M | 7.73% | 7.73% | $2.64T | Nov 12, 2025 | ▼ 725.1K |
STATE STREET CORP railroad equipment | 7.46M | 4.37% | 4.37% | $1.50T | Nov 14, 2025 | ▼ 27.7K |
PRICE T ROWE ASSOCIATES INC /MD/ railroad equipment | 6.62M | 3.88% | 3.88% | $1.33T | Nov 14, 2025 | ▲ 15.7K |
GEODE CAPITAL MANAGEMENT, LLC railroad equipment | 4.33M | 2.54% | 2.54% | $864.00B | Nov 12, 2025 | ▲ 40.1K |
FIL LTD railroad equipment | 4.00M | 2.34% | 2.34% | $801.82B | Nov 13, 2025 | ▲ 279.4K |
SELECT EQUITY GROUP, L.P. railroad equipment | 3.69M | 2.16% | 2.16% | $739.46B | Nov 14, 2025 | ▼ 370.9K |
WELLINGTON MANAGEMENT GROUP LLP railroad equipment | 3.30M | 1.94% | 1.94% | $662.39B | Nov 14, 2025 | ▲ 116.3K |
INVESCO LTD. railroad equipment | 2.42M | 1.42% | 1.42% | $485.83B | Nov 13, 2025 | ▼ 1.99M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
29
Increased
+7.82M shares0
New Positions
first time holders20
Decreased
−7.01M shares0
Sold Out
fully exitedNet shares change (top 50)
+809.0K
+7.82M / −7.01M
Net new holders
+9
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
WAB insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
8
Buy transactions
16
Sell transactions
0.50
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Babcock Beverley A director | May 13, 2026 | Award | 765 | — | — | 4.7K | Form 4 ↗ |
Perez Juan R. director | May 13, 2026 | Award | 765 | — | — | 2.0K | Form 4 ↗ |
Klee Ann R. director | May 13, 2026 | Award | 765 | — | — | 12.6K | Form 4 ↗ |
Hehir Brian director | May 13, 2026 | Award | 765 | — | — | 21.4K | Form 4 ↗ |
Harty Linda S director | May 13, 2026 | Award | 765 | — | — | 12.5K | Form 4 ↗ |
Foster Byron S. director | May 13, 2026 | Award | 765 | — | — | 8.2K | Form 4 ↗ |
BANKS LEE C director | May 13, 2026 | Award | 765 | — | — | 13.6K | Form 4 ↗ |
DeNinno David L Exec VP, General Counsel, Sec. | May 5, 2026 | Sale | 2,500 | $265.48 | $663.7K | 58.1K | Form 4 ↗ |
Sbrocco Gregory EVP Operations | May 5, 2026 | X-InTheMoney | 3,727 | $263.44 | $981.8K | 25.7K | Form 4 ↗ |
Sbrocco Gregory EVP Operations | May 5, 2026 | J-Other | 3,727 | $263.44 | $981.8K | 22.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Westinghouse Air Brake Technologies Corporation (WAB) is primarily owned by institutional investors, who hold approximately 92.1% of total shares outstanding. Company insiders own approximately 1.24%, while retail and public investors account for the remaining 6.68%.
The largest institutional shareholder of Westinghouse Air Brake Technologies Corporation is VANGUARD GROUP INC, holding approximately 19.94 million shares — equal to 11.69% of outstanding shares — as of September 30, 2025.
A total of 1,101 institutional investors currently hold WAB stock, with a combined institutional value of approximately $31.30 billion as of the most recent 13F filing period.
Frequently asked questions
WAB ownershipWestinghouse Air Brake Technologies Corporation (WAB) is primarily owned by institutional investors, who hold approximately 92.1% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.69% stake. Company insiders hold 1.24%. Data sourced from SEC Form 13F as of September 30, 2025.